Dena Designs was founded by Dena and her husband, Dan, over 20 years ago. Dena's Happi line of wall decals, exclusive to RoomMates, celebrates her colorful and cheerful style. Thanks to creations like the Scroll Tree and Build A House designs, her art has become known worldwide—and has been used to decorate countless nurseries and bedrooms for children. Discover more, and shop the Happi by Dena collection below.